package net.zjitc.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import net.zjitc.dao.UserDao;
import net.zjitc.domain.ResultPage;
import net.zjitc.domain.User;
import net.zjitc.service.UserService;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;

    @Override
    public boolean add(User user) {
        return userDao.insert(user) == 1;

    }

    @Override
    public boolean deleteById(Integer id) {
        return userDao.deleteById(id) == 1;
    }

    @Override
    public User findById(Integer id) {
        return userDao.selectById(id);
    }

    @Override
    public boolean updateUser(User user) {
        return userDao.updateById(user) == 1;
    }

    @Override
    public ResultPage<User> findPage(int currentPage, int pageSize, User user) {
        IPage page = new Page(currentPage, pageSize);
        LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
        wrapper.like(Strings.isNotEmpty(user.getUsername()), User::getUsername, user.getUsername());
        wrapper.like(Strings.isNotEmpty(user.getGender()), User::getGender, user.getGender());
        wrapper.like(Strings.isNotEmpty(user.getEmail()), User::getEmail, user.getEmail());
        userDao.selectPage(page, wrapper);
        return new ResultPage(page.getTotal(), page.getRecords());
    }
}
